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What does your nozzle check look like? If you are missing nozzles you probably want to try "head soak".

Page 7 on the 48/62 User Guide English Check the Media Section of the UG Rockhopper.pdf page 23 for illustrations.

Speed increased about 20%, if memory serves 145 to 185 in Banner 4 mode. 1624 has the newest Epson head and can print out at up to 313 sqft/hr.

e is for Europe. Hardware should be the same at the a models in the US. http://www.mutoh.com/mutoh_dealers.php

http://service.mutoh.com/#/Printer%20Information_Manuals/Falcon%20Outdoor/Manuals/Falcon%20Outdoor%20User%20Guide/ 8. Perform Nozzle Check. Press Quality/Speed button until light next to the Rabbit is lighted. Press Resolution button until only the light next to 360 is lighted. Hold the...

Could be pf motor or encoder. Clean the encoder with denatured alcohol. Check the condition of the belt and the locations of the encoder itself. The encoder should be centered betweens the sensor. You may want to take the encoder off and check for damage. (scratched or worn tick marks).

A VJ1304 is a 4 color machine, no light cyan? Swollen caps are rare in VJs, but do happen, probably the cause.

Nozzle check should always be your first troubleshooting try. If you are getting all the ink through the lines to the waste, (good vacuum seal at the pump) and no firing, could be a cable connections issue or bad heads. I dont remember if this has a fuse for each color or just one for each...

What does your nozzle check look like? Do you get a seal on the cap if you pull with a syringe?

w is water based for aqueous ink. Your dealer should be able to help you. http://www.mutoh.com/central_latin.php

Most likely dirt or thread on the head or carriage near the black head.

Could be a driver motor, belt, encoder damage, sensor dirty. CR2 is a catch all, can be difficult to diagnose, especially remotely. There are some endurance tests your dealer could walk you through to help.

Probably because it thinks it is not up to the set temp. Probably heater or thermocouple related.

You uncap the head by releasing it from the capping station. There is a plunger mechanism that keeps the head locked on the capping station. It is located on the left side of the carriage. Push the plunger down and the head releases. You can find a regular maintenance video here...

http://mutoh.com/kb/entry/137/

I'm assuming then you mean the bottom of the head which contains the nozzle plate. If you have dried ink over the nozzles, you should be missing nozzles or misdirected nozzles in your nozzle check. Either way a head soak is the safest way to remove ink from the bottom of the head.

Where is the splatter? It it is on the nozzle plate it could affect your printing. It it is on the side, it can probably be cleaned up with some denatured alcohol.

Do the heaters get hot? If no, then could be heater issue or thermocouple issue. Is heat uniform across the heaters, I believe that there are more than one thermocouple on the heaters, you could have a problem with one.

Did you do slants and front to back alignments? If it ONLY happens from the RIP, then less likely it is from printer.

I dont recognize that particular test pattern. It does look like the front to back is off on your magenta. As well as the slant on magenta and black. I would recommend doing a full set of alignments in maintenance mode.